On Thu, 14 Feb 2013 12:30:03 -0600, Eric Sandeen wrote: > The core of this is shamelessly stolen from xfsprogs. > > Use blkid to detect an existing filesystem or partition > table on any of the target devices. If something is found, > require the '-f' option to overwrite it, hopefully avoiding > disaster due to mistyped devicenames, etc. > > # mkfs.btrfs /dev/sda1 > > WARNING! - Btrfs v0.20-rc1-59-gd00279c-dirty IS EXPERIMENTAL > WARNING! - see http://btrfs.wiki.kernel.org before using > > /dev/sda1 appears to contain an existing filesystem (xfs). > Use the -f option to force overwrite. > # > > This does introduce a requirement on libblkid. > > Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> This means that it is now required to change all occurrences of "mkfs.btrfs" to "mkfs.btrfs -f" everywhere. Can't we first establish a time period of 100 years where the -f option is tolerated and ignored, and then in 2113 we require that the users add the -f option? (Just had to do this string replacement everywhere, and had to add -f to xfstest's _scratch_mkfs in common.rc as well). Sigh. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
